WO2017074100A1 - 이동 통신 시스템에서 페이징 메시지를 송수신하는 방법 및 장치 - Google Patents

이동 통신 시스템에서 페이징 메시지를 송수신하는 방법 및 장치 Download PDF

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Publication number
WO2017074100A1
WO2017074100A1 PCT/KR2016/012248 KR2016012248W WO2017074100A1 WO 2017074100 A1 WO2017074100 A1 WO 2017074100A1 KR 2016012248 W KR2016012248 W KR 2016012248W WO 2017074100 A1 WO2017074100 A1 WO 2017074100A1
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Prior art keywords
paging
paging message
priority
message
information
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PCT/KR2016/012248
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English (en)
French (fr)
Korean (ko)
Inventor
차화진
원성환
이진욱
조성연
Original Assignee
삼성전자 주식회사
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Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to EP16860283.7A priority Critical patent/EP3352510B1/en
Priority to JP2018517359A priority patent/JP6953401B2/ja
Priority to US15/772,004 priority patent/US10484963B2/en
Publication of WO2017074100A1 publication Critical patent/WO2017074100A1/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/02—Arrangements for increasing efficiency of notification or paging channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
    • H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
    • H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/30—Flow control; Congestion control in combination with information about buffer occupancy at either end or at transit nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/90—Buffering arrangements
    • H04L49/9084—Reactions to storage capacity overflow
    • H04L49/9089—Reactions to storage capacity overflow replacing packets in a storage arrangement, e.g. pushout
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control

Definitions

  • the present invention relates to a method and apparatus for transmitting and receiving a paging message in a mobile communication system, and more particularly, to a method and apparatus for determining a priority between paging messages at a wireless access point to page a terminal.
  • mobile communication systems have been developed to provide voice services while guaranteeing user activity.
  • mobile communication systems are gradually expanding not only voice but also data services, and now they have developed to the extent that they can provide high-speed data services.
  • a shortage of resources is occurring in the mobile communication system in which a service is currently provided, and a more advanced mobile communication system is required because users require higher speed services.
  • LTE Long Term Evolution
  • 3GPP The 3rd Generation Partnership Project
  • a 5G communication system or a pre-5G communication system is called a system after a 4G network (Beyond 4G Network) or a system after an LTE system (Post LTE).
  • 5G communication systems are being considered for implementation in the ultra-high frequency (mmWave) band (eg, such as the 60 Gigabit (60 GHz) band).
  • mmWave ultra-high frequency
  • FD-MIMO massive array multiple input / output
  • FD-MIMO massive array multiple input / output
  • Array antenna, analog beam-forming, and large scale antenna techniques are discussed.
  • an advanced small cell in the 5G communication system, an advanced small cell, an advanced small cell, a cloud radio access network (cloud RAN), an ultra-dense network ), Device to Device communication (D2D), wireless backhaul, moving network, cooperative communication, Coordinated Multi-Points (CoMP), and interference cancellation Technology development, etc.
  • cloud RAN cloud radio access network
  • D2D Device to Device communication
  • wireless backhaul moving network
  • cooperative communication Coordinated Multi-Points (CoMP), and interference cancellation Technology development, etc.
  • CoMP Coordinated Multi-Points
  • Hybrid FSK and QAM Modulation FQAM and QAM Modulation
  • SWSC Slide Window Superposition Coding
  • ACM Advanced Coding Modulation
  • FBMC Fan Bank Multi Carrier
  • NOMA NOMA
  • SAP non-orthogonal multiple access
  • SCMA sparse code multiple access
  • the idle mode can be introduced into the terminal, the wireless access point, and the core network. That is, when data transmission and communication with respect to the terminal are not necessary for a certain period, the terminal may be switched to the idle mode.
  • the terminal entering the idle mode may be managed in the idle mode even in the wireless access point and the core network.
  • the detailed location of the terminal entering the idle mode may not be exposed to the RAN control element in the wireless access point and the core network. Accordingly, when there is data to be transmitted to the terminal in the core network and communication is required, an operation of paging the terminal is required.
  • the core network When the core network detects the presence of data to be transmitted to the terminal, the core network may transmit a paging message including information for paging the terminal by selecting an appropriate wireless access point. Thereafter, the wireless access point may transmit the received paging message to the corresponding terminal.
  • paging resources in the core network and the wireless access point are finite, and thus, there is a need for a method of efficiently using paging resources when the paging resources are congested.
  • the present invention proposes a method for determining priorities between paging messages based on the information included in the paging message when transmitting at least one paging message received by the wireless access point to the terminal to solve the above problems.
  • the present invention proposes a method for determining a region in which the wireless access point is to transmit a paging message based on information included in the paging message.
  • a method of paging a wireless access point in a mobile communication system receiving a plurality of paging messages from the core network; Determining a priority among the plurality of paging messages; And transmitting the paging message to the terminal based on the determined priority. Further comprising, information related to the number of paging attempts included in the paging message is characterized in that used to determine the priority.
  • a wireless access point for performing paging in a mobile communication system according to another embodiment of the present invention, the transmission and reception unit for transmitting and receiving a signal; And a controller configured to receive a plurality of paging messages from a core network, determine a priority among the plurality of paging messages, and transmit the paging message to a terminal based on the determined priorities. Further comprising, information related to the number of paging attempts included in the paging message is characterized in that used to determine the priority.
  • the wireless access point when paging resources are congested, determines the priority among a plurality of paging messages and determines a paging area, thereby preventing problems such as loss of paging messages and calling. It has the effect of using resources properly.
  • FIG. 1 is a diagram illustrating a general wireless communication system.
  • FIG. 2 is a diagram illustrating a process of paging between a terminal, a wireless access point, and a core network according to an exemplary embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a process of determining a priority for transmission of a paging message at a wireless access point according to an embodiment of the present invention.
  • FIG. 4 is a block diagram illustrating an internal structure of a wireless access point according to an exemplary embodiment of the present invention.
  • an advanced E-UTRA (or LTE-A) system supporting carrier aggregation will be mainly targeted, but the main points of the present invention are similar.
  • Other communication systems having a technical background and a channel form may be applied with a slight modification without departing from the scope of the present invention, which may be determined by those skilled in the art.
  • the subject matter of the present invention can be applied to a multicarrier HSPA supporting carrier combining.
  • each block of the flowchart illustrations and combinations of flowchart illustrations may be performed by computer program instructions. Since these computer program instructions may be mounted on a processor of a general purpose computer, special purpose computer, or other programmable data processing equipment, those instructions executed through the processor of the computer or other programmable data processing equipment may be described in flow chart block (s). It creates a means to perform the functions. These computer program instructions may be stored in a computer usable or computer readable memory that can be directed to a computer or other programmable data processing equipment to implement functionality in a particular manner, and thus the computer usable or computer readable memory. It is also possible for the instructions stored in to produce an article of manufacture containing instruction means for performing the functions described in the flowchart block (s).
  • Computer program instructions may also be mounted on a computer or other programmable data processing equipment, such that a series of operating steps may be performed on the computer or other programmable data processing equipment to create a computer-implemented process to create a computer or other programmable data. Instructions for performing the processing equipment may also provide steps for performing the functions described in the flowchart block (s).
  • each block may represent a portion of a module, segment, or code that includes one or more executable instructions for executing a specified logical function (s).
  • logical function e.g., a module, segment, or code that includes one or more executable instructions for executing a specified logical function (s).
  • the functions noted in the blocks may occur out of order.
  • the two blocks shown in succession may in fact be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending on the corresponding function.
  • ' ⁇ part' used in the present embodiment refers to software or a hardware component such as an FPGA or an ASIC, and ' ⁇ part' performs certain roles.
  • ' ⁇ ' is not meant to be limited to software or hardware.
  • ' ⁇ Portion' may be configured to be in an addressable storage medium or may be configured to play one or more processors.
  • ' ⁇ ' means components such as software components, object-oriented software components, class components, and task components, and processes, functions, properties, procedures, and the like. Subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables.
  • the functionality provided within the components and the 'parts' may be combined into a smaller number of components and the 'parts' or further separated into additional components and the 'parts'.
  • the components and ' ⁇ ' may be implemented to play one or more CPUs in the device or secure multimedia card.
  • 3GPP Third Generation Partnership Project
  • LTE long term evolution
  • EPC evolved packet core
  • FIG. 1 is a diagram illustrating a general wireless communication system.
  • a wireless communication system may include a terminal 100, a radio access network (RAN), and a core network 140.
  • RAN radio access network
  • the wireless access network 130 may be further divided into several components.
  • the component 120 of the wireless access network that interacts with the terminal 100 uses the terminal 100 and the air interface 110, and communicates wirelessly. The rest of the system is usually wired.
  • Examples of wireless access network components 120 that interact with the terminal 100 via the air interface 110 include evolved Node B (eNB), Node B (NB), or the like.
  • a radio access point will refer to at least one of the examples of the above-described radio access network component 120 or to the radio access network 130 itself.
  • the radio access point 120 generally consists of one or more cells, the cell governs a particular range, and the terminal 100 is serviced within the range of the cell.
  • a cell refers to a cell of a general cellular system, and the radio access point 120 is a device for managing and controlling the cell, but for convenience, the cell and the radio access point 120 may be used in the same sense. have.
  • the cell and the radio connection point 120 may be confused for convenience.
  • the core network 140 may include a RAN control element 135.
  • the RAN control element 135 is responsible for overall control functions such as mobility management, authentication and security.
  • Examples of the RAN control element 135 include a Mobility Management Entity (MME), a Serving General Packet Radio Service (GPRS) Supporting Element (Serving GPRS Support Node, SGSN), a Cell Broadcast Center (Cell Broadcast). Center, CBC) and the like.
  • MME Mobility Management Entity
  • GPRS General Packet Radio Service
  • SGSN Serving GPRS Supporting Element
  • Cell Broadcast Cell Broadcast
  • Center CBC
  • each radio access point 120 Since the radio access point 120 provides a service to the terminal 100 via the air interface 110, each radio access point 120 has a coverage appropriate for providing a service.
  • FIG. 2 is a diagram illustrating a process of paging between a terminal, a wireless access point, and a core network according to an exemplary embodiment of the present invention.
  • the wireless access point may correspond to the radio access point 120 described above.
  • the core network may include the RAN control element 135.
  • the core network 220 may detect whether there is information to be transmitted to the terminal 200 (S230).
  • the mobility management entity (MME) and / or the serving general packet radio service support node (SGSN) of the core network 220 may be configured by the serving gateway (S-GW).
  • a message indicating that there is information to be delivered to the terminal 200 may be received.
  • the message may include, for example, Create Bearer Request, Delete Bearer Request, Downlink Data Notification, Update Bearer Request, PGW (Packet Data Network-Gateway,) Restart Notification, Cancel Location, and the like.
  • the downlink data notification message is a message for notifying that there is user data information to be transmitted to the terminal 200, but the other message is a message for notifying that there is control data information to be transmitted to the terminal 200.
  • the core network 220 may determine to transmit the information to the terminal 200. For example, when the core network 220 or the home subscriber server (HSS) decides to detach the terminal 200 from the network, the control data requesting the detachment is sent to the terminal 200. Need to send
  • HSS home subscriber server
  • control data information and user data information have different priorities, that is, importance.
  • the control data information may need to be transmitted to the terminal 200 more urgently than the user data information.
  • the information included in the control data information and the user data information may be classified in detail to determine the priority of each.
  • control data information transfer is required as follows.
  • Detach Request message transmission (detach triggered by core network 220)
  • Network recovery also referred to as session management
  • IE information element
  • the core network 220 may change the configuration of the S1: PAGING message transmitted to page the terminal 200 entering the idle mode. This will be described in more detail in the next step 240.
  • the core network 220 may page the terminal 200 through the wireless access point 210 when the terminal 200 enters the idle mode.
  • the core network 220 may transmit a paging message (S1: PAGING message) to the wireless access point 210 (240).
  • S1: PAGING message may be configured as shown in Table 1 below.
  • Table 1 IE / Group Name Presence Range Comments Message Type M UE Identity Index value M BIT STRING (SIZE (10)) UE Paging Identity M S-TMSI or IMSI Paging DRX O ENUMERATED (32, 64, 128, 256,...) Additional values can be defined as the DRX cycle increases.
  • Paging Priority O Priority Level is defined from 1 to 8. Additional values can be defined.
  • New IE to express importance of paging events O UE Radio Capability for Paging O Assistance Data for Paging O It may include auxiliary information about the recommended cell, a cell coverage enhancement (CE) support terminal, and / or the number of paging attempts.
  • CE cell coverage enhancement
  • the Assistance Data for Paging IE may further include information elements as shown in Table 2 below.
  • Assistance Data For Recommended Cells O It may include paging-related recommended cell identifiers (maximum 16) and / or information on the time that the terminal 200 stayed in the cell. If the terminal 200 is a cell that has not stayed, the stay time may not be included. Assistance Data for CE capable UEs O Ancillary information for paging a CE support terminal. It may include an identifier of a cell where the CE support terminal has stayed and the CE level in the cell. Paging Attempt Information O It may include the number of paging attempts. In addition, it may include the maximum number of paging attempts.
  • the wireless access point 210 may perform a paging message processing operation for paging a terminal based on the paging message received from the core network 220 (S250). Processing the paging message by the wireless access point 210 may include the following two mechanisms.
  • Second mechanism determine the paging area of the received paging message
  • Determining the priority may include comparing the priority between the paging message received in the paging buffer of the wireless access point and the newly received paging message.
  • the priority may refer to the importance of the transmission of the paging message to the terminal. In the present invention, terms of priority and importance may be used interchangeably. More details will be described later.
  • the wireless access point 210 may transmit a paging message to the terminal 200 based on the processing of the paging message in step S250. That is, the wireless access point 210 may transmit a paging message to the terminal based on the priority and paging area between paging messages in the paging buffer.
  • FIG. 3 is a diagram illustrating a process of determining the priority of a paging message at a wireless access point according to an embodiment of the present invention.
  • the wireless access point may receive a paging message from the core network (S300). Thereafter, the wireless access network may determine whether the paging buffer is saturated (S310). If the paging buffer is already saturated, it may be checked whether there is information on the paging message having a lower priority than the received paging message in the paging buffer (S320).
  • the paging buffer may refer to a space for selecting and storing necessary information among information included in the paging message when the paging message is received from the core network at the wireless access point.
  • the wireless access point should compare the priority between the paging message received and the paging message received in step S300, and the priority may be determined as follows.
  • the wireless access point may determine the priority of the paging message based on the information included in the received paging message.
  • the priority of the paging message may be determined based on at least one of the priority of information transmitted after calling the terminal using a paging message, the number of paging attempts, and whether paging is duplicated.
  • the priority of the information delivered after calling the terminal using the paging message is the information element included in the paging message described in Table 1, Paging Priority IE, a new IE for expressing the importance of the paging event, UE Radio The determination may be made based on at least one of Capability for Paging IE and Assistance Data for CE capable UEs IE.
  • the core network may indicate the importance of information to be delivered using at least one of a paging priority IE or a new IE for expressing the importance of a paging event.
  • the value of the Paging Priority IE may be determined by dividing it into the following levels.
  • Paging Priority IE value PrioLevel1
  • Paging Priority IE value PrioLevel2
  • Paging Priority IE value PrioLevel3
  • Paging Priority IE value PrioLevel4
  • Paging Priority IE value PrioLevel5
  • Paging Priority IE value PrioLevel6
  • Paging Priority IE value PrioLevel7
  • Paging Priority IE value PrioLevel8
  • the core network may be configured to indicate whether the corresponding paging information is control data or user data for at least one of a paging priority IE or a new IE for expressing the importance of a paging event.
  • the core network 220 may use at least one of a paging priority IE or a new IE for expressing the importance of a paging event for the detailed classification described in operation S230 of FIG. 2.
  • the core network uses at least one of the paging priority IE or the new IE for paging classification, is control data for mobility management, control data for session management, or a user corresponding to a service having a high priority level. Data or user data corresponding to a high level user.
  • the core network may be appropriately based on the priority level of the Allocation / Retention Priority IE included in the message. You can set the value.
  • a mapping relationship between a priority level of the Allocation / Retention Priority IE and a Paging Priority IE value may be defined and used consistently in the wireless network.
  • the priority level of Allocation / Retention Priority IE for voice over LTE VoLTE
  • the Priority Level of the Allocation / Retention Priority IE can be mapped to a specific Paging Priority IE value. .
  • Priority Level of the Allocation / Retention Priority IE and a specific Paging Priority IE value are matched, for example, VoLTE, mission critical push to talk (MCPTT), This may include government officials, emergency incident officers such as police officers / firefighters, and the like.
  • MCPTT mission critical push to talk
  • information about the number of paging attempts may be obtained through a Paging Attempt Information IE included in the Assistance Data for Paging IE of the paging message shown in Table 2 above.
  • the wireless access point may determine a lower priority of the paging message as the number of paging attempts of the received paging message increases.
  • the Paging Attempt Information IE additionally includes information on the maximum number of paging attempts, the wireless access point may determine a lower priority of the paging message as the current paging attempt number approaches the final paging attempt.
  • whether a paging message is duplicated may be identified using at least one of a UE Paging Identity IE, a wireless access point internal timer, or a Paging Attempt Information IE included in the Assistance Data for Paging IE of the paging message shown in Table 2.
  • the value of the internal timer may be determined in consideration of the value of the timer used to detect whether data is duplicated for the UE in the S-GW. That is, the internal timer of the wireless access point may be set equal to or similar to the timer of the S-GW.
  • the S-GW may determine whether data transmitted to the terminal is previously transmitted and duplicated data, and determine whether to transmit a downlink data notification message. In addition, the S-GW may determine whether to transmit a Downlink Data Notification message in consideration of the paging priority.
  • the wireless access point may determine that the paging message is a duplicate paging message.
  • the wireless access point may determine that the paging message is a duplicate paging message.
  • information about a paging message having the same UE Paging Identity IE is stored in the paging buffer of the wireless access point, it may be determined as a duplicate paging message.
  • a paging message having one or more paging attempt values indicated by the Paging Attempt Information IE is received within a predetermined time, it may be determined as a duplicate paging message.
  • information of a paging message having one or more paging attempt values indicated by the Paging Attempt Information IE is stored in the paging buffer of the wireless access point, it may be determined as a duplicate paging message.
  • the paging message may be classified by the three factors mentioned above, and individual priorities for being classified may be determined. First, the paging message may be classified into a case in which the paging priority IE value of the paging message is one of eight levels and the paging priority IE is not included as mentioned above. The higher the level of the Paging Priority IE, the lower the priority. If the Paging Priority IE is not included, the lowest priority may be determined.
  • the paging message is a second factor, whether the number of paging attempts is high or low based on a predetermined threshold value, and additionally, considering the maximum number of paging attempts, and whether the maximum number of paging attempts has been reached and the Paging Attempt Information IE If does not include can be classified as. That is, the paging message may be classified into a case in which the paging attempt information IE is not included in addition to the combination of the number of paging attempts and the number of cases in which the maximum paging attempts can have.
  • the priority is highest when the number of paging attempts is lower than the threshold and the maximum number of paging attempts is the highest. When the number of paging attempts is higher than the threshold and the maximum number of paging attempts is reached, the lowest priority may be determined. have.
  • the paging message may be classified based on whether it is a duplicate. If the paging message is duplicated, the priority may be low. If the paging message is not duplicated, the priority may be high. In the above, the case in which the paging message may be classified based on the three elements has been described. However, this is not limited thereto, and more various and detailed classifications are possible.
  • a priority of a paging message may be determined based on each of the three elements. For example, the priority of the paging message may be determined based on the priority of information transmitted after calling the terminal using only the paging message without considering the number of paging attempts and paging duplication.
  • the priority of the paging message may be determined by determining the order to consider the three elements. For example, it is assumed that priority is determined in order of priority of information transmitted after paging message, number of paging attempts, and duplication.
  • priority is determined in order of priority of information transmitted after paging message, number of paging attempts, and duplication.
  • Priorities can be considered.
  • the priority of paging message to the terminal may be determined in consideration of the weights of the three elements. That is, the same score may be assigned to the individual priorities of the three elements with perfect scores, and then, the priority may be determined by the sum totaled by considering the weights of the three elements in the scores. For example, it is assumed that the weight of each of the priority of paging information, the number of paging attempts, and whether duplicates are 50%, 30%, and 20% is determined in advance. In this case, the three elements are given a score based on, for example, a score of 10 points, and the priority for paging to the terminal for the paging message having a high total score, which is added by multiplying the weighted points and the added scores, is added. Can be determined to be higher.
  • the wireless access point may create another buffer for storing the information of the new paging message.
  • Another buffer for storing information of the new paging message may be referred to as a temporary buffer.
  • the temporary buffer is a buffer that temporarily stores paging messages that have not yet been prioritized. Accordingly, the wireless access point may store paging messages accumulated in the temporary buffer in the order in which they are received. The wireless access point may sequentially prioritize the paging messages stored in the temporary buffer when the priorities of the page messages stored in the current paging buffer are completed.
  • the wireless access point may determine the priority between paging messages through the above-described operation. If the paging message does not include a paging message having a lower priority than the received paging message, the wireless access point may receive the received paging message at step S240 of FIG. 2. Information of the paging message may be discarded (S325).
  • the wireless access point may delete information of the paging message having the lowest priority in the paging buffer (S330).
  • information of the paging message having the lowest priority in the paging buffer may be deleted.
  • the wireless access point may insert information in the received paging message into a paging buffer (S340).
  • the wireless access point may page the terminal according to the information of the paging message (S350).
  • the wireless access point may transmit a paging message to the terminal based on the priority of the paging message in the paging buffer.
  • the wireless access point may pre-align the paging information in the paging buffer based on the determined priority. In this case, according to the sorted order, it is possible to determine which paging message to discard by determining only the priority between the lowest priority paging message and the newly received paging message.
  • the wireless access point may insert information in the received paging message into the paging buffer (S340). Further, the wireless access point may insert information in the received paging message into the paging buffer when paging resources in the paging buffer are not congested. Thereafter, the wireless access point may transmit a paging message to the terminal. In this case, the wireless access point may transmit a paging message stored in a paging buffer to the terminal based on the priority of the paging message. The wireless access point may also change the order of paging messages in the paging buffer of the wireless access point.
  • the wireless access point may determine an area to be paged based on the number of paging attempts when paging according to information of a paging message in the paging buffer. As the number of paging attempts increases, the wireless access point may expand a paging area within the wireless access point. The paging area may be determined based on a cell in a wireless access point. For example, the lower the number of paging attempts, the narrower the paging area can be determined.
  • paging may be performed only in at least one cell indicated by at least one recommended cell identifier, or in at least one cell indicated by at least one cell identifier having a higher priority among recommended cell identifiers. Paging can be performed. As the number of paging attempts increases, the cell area can be expanded, and when the number of paging attempts is larger than a threshold, paging may be performed for all cells in the wireless access point. However, if there is a paging event that is still duplicated in the paging buffer, the paging area of the paging event in the paging buffer can be made wider.
  • the wireless access point may manage a paging buffer individually for each cell.
  • the paging buffer of each cell may be managed based on the above-described priority determination operation of the paging message. That is, when the paging message has a high number of paging attempts, the wireless access point receiving the paging message from the core network may exclude the cell in which the paging buffer is saturated or congested in the resource, from the paging area.
  • FIG. 4 is a block diagram illustrating an internal structure of a wireless access point according to an exemplary embodiment of the present invention.
  • the wireless access point may include a transceiver 400, a storage 410, and a controller 420.
  • the storage unit 410 may additionally include a paging buffer 415
  • the controller 420 may include a priority determiner 423 and a paging area determiner 425 of a paging message. .
  • the transceiver 400 may transmit and receive a signal for the wireless access point to operate according to the present invention. More specifically, the paging message may be received from the core network. In addition, after processing the paging message, the paging message may be transmitted based on the processing of the paging message.
  • the storage unit 410 may store information for the wireless access point to operate according to the present invention.
  • the storage unit 410 may store information included in a paging message received from the core network. More specifically, the paging buffer 415 included in the storage unit 410 may store information included in the paging message.
  • the storage unit 410 may provide the stored information to the control unit 420.
  • the controller 420 may control the operation of the wireless access point according to the present invention.
  • the priority determiner 423 of the paging message included in the controller 420 may determine the priority between the paging messaging messages received by the transceiver 400.
  • the paging area determiner 425 included in the controller 420 may determine an area to transmit a paging message to the terminal.
  • the controller 420 may perform all operations performed by the priority determiner 423 and the paging area determiner 425 of the paging message.
  • the controller 420 controls to receive a plurality of paging messages from a core network, determine priorities among the plurality of paging messages, and transmit the paging messages to the terminal based on the determined priorities. can do. In addition, the controller 420 determines whether the paging buffer is saturated, and when the paging buffer is saturated, determines a priority between the at least one first paging message previously stored in the paging buffer and the received second paging message. You have more control.
  • the controller 420 discards the information of the first paging message from the paging buffer and discards the information of the second paging message.
  • the storage in the paging buffer can be controlled.
  • the controller 420 may determine a paging order between the plurality of paging messages based on the determined priority, and control the transmission of the plurality of paging messages based on the determined paging order.
  • the controller 420 determines a paging area to transmit the paging message to the terminal based on at least one of information related to the number of paging attempts included in the paging message or duplication, and based on the determined paging area. Control the sending of the paging message to the user.
  • the controller 420 when the controller 420 newly receives a third paging message while determining the priority, the controller 420 stores the information of the third paging message in a temporary buffer different from the paging buffer, and the first paging message. And determining a lower priority paging message of the second paging message and determining a priority between the lower priority paging message and the third paging message.
  • all steps and messages may be subject to selective execution or subject to omission.
  • the steps need not necessarily occur in order and may be reversed.
  • Message delivery doesn't necessarily have to happen in order, but can be reversed.
  • Each step and message can be performed independently.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/KR2016/012248 2015-10-30 2016-10-28 이동 통신 시스템에서 페이징 메시지를 송수신하는 방법 및 장치 WO2017074100A1 (ko)

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EP16860283.7A EP3352510B1 (en) 2015-10-30 2016-10-28 Method and apparatus for transmitting and receiving paging message in mobile communication system
JP2018517359A JP6953401B2 (ja) 2015-10-30 2016-10-28 移動通信システムでページングメッセージを送受信する方法及び装置
US15/772,004 US10484963B2 (en) 2015-10-30 2016-10-28 Method and apparatus for transmitting and receiving paging message in mobile communication system

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KR1020150152212A KR102371203B1 (ko) 2015-10-30 2015-10-30 이동 통신 시스템에서 페이징 메시지를 송수신하는 방법 및 장치
KR10-2015-0152212 2015-10-30

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JP2018532331A (ja) 2018-11-01
US10484963B2 (en) 2019-11-19
KR102371203B1 (ko) 2022-03-07
JP6953401B2 (ja) 2021-10-27
EP3352510A1 (en) 2018-07-25
US20180317201A1 (en) 2018-11-01
KR20170050542A (ko) 2017-05-11
EP3352510A4 (en) 2018-10-03

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